66743381134 has 8 divisors (see below), whose sum is σ = 102004035480. Its totient is φ = 32742035976.

The previous prime is 66743381093. The next prime is 66743381213. The reversal of 66743381134 is 43118334766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314827164 + ... + 314827375.

It is an arithmetic number, because the mean of its divisors is an integer number (12750504435).

Almost surely, 2^66743381134 is an apocalyptic number.

66743381134 is a deficient number, since it is larger than the sum of its proper divisors (35260654346).

66743381134 is a wasteful number, since it uses less digits than its factorization.

66743381134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629654594.

The product of its digits is 870912, while the sum is 46.

The spelling of 66743381134 in words is "sixty-six billion, seven hundred forty-three million, three hundred eighty-one thousand, one hundred thirty-four".